Grab and Steal Tax; Gouge and Screw Tax noun the Canadian Goods and Services Tax CANADA A back-formation on the initials GST.
7% that goes on top of just about every purchase (in addition to the provincial sales taxes). The current Prime Minister, Jean Chretien, got elected partly because he promised to get rid of this tax, and then promptly didn’t. — Emily, AnAmerican’sGuidetoCanada, p. 6, 10 November 2001